jim and john harbaugh, ultracompetitive, even ruthless. how will they face off against each other on football's biggest stage? what about their parents? will they take a side? brian todd has the report. >> reporter: they have tried to downplay the family angle. but it's virtually impossible. >> you never put your family aside, joe, you know, but, well, yeah, priorities -- we have a job to do. all of us have a job to do. all of his coaches, our coaches, players, everybody focused on doing a job. >> john harbaugh talking about the fact that he and jim are the first brothers to ever become coaches against each other in a super bowl. inundated with the story, sick of it already, the family still managed to have some fun when john snuck on a conference call his parents having with reporters in recent days, posting as a caller from baltimore. >> is it true that both of you like jim better than john? >> i do not -- >> john, how are you? >> is that john harbaugh? >> that was me, john. >> hey, john -- mom was ready to come right through this phone.